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10-03-2016
Hi all,
Lately the GT has been surging under what I would call light to moderate throttle. It only does it between about 1950-2400 rpm. If I step on it enough to rev up above 2500 rpm it completely goes away. When its surging the rpms go up and down between about 2000-2300. Any ideas what might be going on?
Just replaced MAF for code, recent fuel filter. No codes since maf replacement.
Sent from my LGL22C using Tapatalk
10-03-2016
It could be a vacuum leak. With the car on, spray some carb cleaner around the intake manifolds and rubber hoses. If the idle changes, you've got a vac leak.
Originally Posted by W-Body Store
10-03-2016
have you ever done a tune up? not knowing year and miles.
10-03-2016
Complete tuneup, new uim and gaskets in Jan 2016. 226k miles
Sent from my LGL22C using Tapatalk
10-03-2016
2000 model GT (na)
Sent from my LGL22C using Tapatalk
10-03-2016
im leaning towards clogged up cat then, na and those miles, yup.
10-03-2016
TCC
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